.airport-list-container {
  background: #f5f5f5;
  .letter-container {
    position: fixed;
    top: 128px;
    right: 20px;
    width: 44px;
    z-index: 1;
    .letter-item {
      height: 40px;
      line-height: 40px;
      color: #999;
      text-align: center;
      font-size: 24px;
    }
  }
}
